untreated

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Welsh Water said low-levels of cryptosporidium, a parasite which can cause stomach illnesses, were found during initial testing of the untreated water.

From BBC • May 27, 2026

Dr. Benedikt Amman, who heads the research center at Barcelona’s Hospital del Mar, has pioneered studies showing that untreated trauma can have a “global” effect on health.

From The Wall Street Journal • May 26, 2026

Melanoma is the most serious form of skin cancer and, untreated, can be deadly.

From BBC • May 21, 2026

In contrast, liver cancer appeared in 2 out of 8 untreated aging mice.

From Science Daily • May 9, 2026

When I was seven, she begins, I had an intestinal disease that went untreated for lack of money to buy medicine.

From "Enrique's Journey" by Sonia Nazario